Table 1.

Demographic characteristics and task behavior of the study sample

		Cocaine Females (n=14)	Cocaine Males (n=14)	Control Females (n=11)	Control Males (n=14)	Effect	P
Age, y						Diagnosis	0.04
		44±2	44±1	40±3	40±1	Sex	0.97
						Diagnosis × Sex	0.94
Race, No. African-American/Caucasian/Hispanic						Diagnosis	0.08
		12/2/0	12/2/0	9/1/1	10/1/3	Sex	0.65
						Diagnosis × Sex	--
Education, y						Diagnosis	0.08
		13±0	13±0	14±1	14±0	Sex	0.39
						Diagnosis × Sex	0.69
Socioeconomic Status: Hollingshead Index						Diagnosis	0.21
		33±2	33±3	38±6	36±3	Sex	0.84
						Diagnosis × Sex	0.80
Verbal IQ: Wide Range Achievement Test III – Reading Scale						Diagnosis	0.82
		96±5	94±3	97±3	95±3	Sex	0.53
						Diagnosis × Sex	0.87
Nonverbal IQ: Wechsler Abbreviated Scale of Intelligence – Matrix Reasoning Scale						Diagnosis	0.09
		9±1	9±1	11±1	10±1	Sex	0.47
						Diagnosis × Sex	0.65
Depressive Symptoms: Beck Depression Inventory II						Diagnosis	0.005
		5±1	5±1	2±1	3±1	Sex	0.60
						Diagnosis × Sex	0.47
Task Behavior: Average Correct a	50¢:	17±1	16±1	15±1	16±1	Diagnosis	0.65
	0¢:	16±1	15±1	14±1	14±1	Sex	0.19
	50¢>0¢:	1±1	1±1	1±1	2±1	Diagnosis × Sex	0.19
Task Behavior: RT Correct (ms) a	50¢:	256±4	258±4	275±5	263±5	Diagnosis	0.92
	0¢:	254±5	260±4	266±6	272±6	Sex	0.01
	50¢>0¢:	2±4	−2±3	10±5	−9±5	Diagnosis × Sex	0.09
Craving: Cocaine Wanting (Task>Baseline) a,b	Task:	1.4±0.6	1.6±0.7	0.0±0.0	0.0±0.0	Diagnosis	0.009
	Baseline:	0.7±0.4	1.5±0.7	0.2±0.2	0.2±0.2	Sex	0.26
	Task>Baseline:	0.7±0.5	−0.1±0.1	−0.2±0.2	−0.2±0.2	Diagnosis × Sex	0.07

Values are frequencies or means + standard error of the mean (SEM) unless otherwise specified;

^aAnalysis of covariance on the differentials (50¢>0¢ or Task>Baseline), controlling for age and BDI scores;

^bOne outlier (cocaine dependent male) was removed from this analysis (Cook’s d>1).